Controller Power Supply
Jun 24
2010
2010
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Voltage regulators and controllers. or power supply?
I'm making a DC to DC power supply. 12-16 volt input to 12 volt output. I'm using the simple zener diode and resistor set up but I want the circuit to simply turn off when the input becomes lower then 12 volts. Am I gonna have to get into amplifiers or is there still a way to do it with solid state components.
Thanks.
You might gotta go for LM317
The input voltage will be fed into the regulator, and the V out from the regulator will be connected to a R1 and C2 the C2 will be in Parallel with C1 connected to Vin. and the R1 in series with R2 connected to earth.
the calculation will be
Vout=1.25V(1+R2/R1)+IR2
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